HEADER    DNA                                     06-JAN-04   1S1K              
TITLE     INFLUENCE OF GROOVE INTERACTIONS ON DNA HOLLIDAY JUNCTION FORMATION   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*CP*CP*(1AP)P*GP*TP*AP*CP*TP*GP*G)-3';                
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES                                                       
KEYWDS    B-DNA, DOUBLE HELIX, 2, 6-DIAMINOPURINE, MINOR GROOVE INTERACTIONS,   
KEYWDS   2 DNA                                                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    F.A.HAYS,J.WATSON,P.S.HO                                              
REVDAT   3   23-AUG-23 1S1K    1       REMARK LINK   ATOM                       
REVDAT   2   24-FEB-09 1S1K    1       VERSN                                    
REVDAT   1   31-AUG-04 1S1K    0                                                
JRNL        AUTH   F.A.HAYS,Z.J.JONES,P.S.HO                                    
JRNL        TITL   INFLUENCE OF MINOR GROOVE SUBSTITUENTS ON THE STRUCTURE OF   
JRNL        TITL 2 DNA HOLLIDAY JUNCTIONS.                                      
JRNL        REF    BIOCHEMISTRY                  V.  43  9813 2004              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   15274635                                                     
JRNL        DOI    10.1021/BI049461D                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : CNS                                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 17.49                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 29235.770                      
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 93.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 2413                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.232                           
REMARK   3   FREE R VALUE                     : 0.258                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.400                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 228                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.017                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.02                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 80.70                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 287                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3080                       
REMARK   3   BIN FREE R VALUE                    : 0.4000                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.60                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 34                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.069                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 0                                       
REMARK   3   NUCLEIC ACID ATOMS       : 203                                     
REMARK   3   HETEROGEN ATOMS          : 3                                       
REMARK   3   SOLVENT ATOMS            : 40                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 8.80                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 3.22000                                              
REMARK   3    B22 (A**2) : 3.22000                                              
REMARK   3    B33 (A**2) : -6.45000                                             
REMARK   3    B12 (A**2) : 3.51000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.25                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.26                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.26                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.33                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.067                           
REMARK   3   BOND ANGLES            (DEGREES) : 6.200                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 21.60                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 5.460                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1S1K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-JAN-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000021250.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-JAN-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 103.0                              
REMARK 200  PH                             : 7.50                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 14-BM-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9                                
REMARK 200  MONOCHROMATOR                  : BENT GE(111) MONOCHROMATOR         
REMARK 200  OPTICS                         : BENT CONICAL SI-MIRROR (RH         
REMARK 200                                   COATING)                           
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 2528                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.850                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 17.500                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.3                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.05600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.92                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 72.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.24500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.980                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: EPMR                                                  
REMARK 200 STARTING MODEL: 1P4Z                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 38.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.02                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 5MM TRIS(HCL), 23MM CAACETATE, 16%       
REMARK 280  MPD, .6MM DNA AGAINST 28% MPD AT RT, PH 7.50, VAPOR DIFFUSION,      
REMARK 280  SITTING DROP                                                        
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
REMARK 290       7555   Y,X,-Z+1/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+2/3                                          
REMARK 290      10555   -Y,-X,-Z+5/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/6                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       29.51867            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       59.03733            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       44.27800            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       73.79667            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       14.75933            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       29.51867            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000       59.03733            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       73.79667            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       44.27800            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       14.75933            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT             
REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). THE FULL BIOLOGICAL UNIT               
REMARK 300 CONSISTS OF TWO STRANDS FORMING A B-DNA DUPLEX STRUCTURE.            
REMARK 300 SEE REMARK 350 FOR INFORMATION ON GENERATING THE BIOLOGICAL          
REMARK 300 MOLECULE(S).                                                         
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.500000  0.866025  0.000000       16.47850            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000      -28.54160            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       14.75933            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 CA    CA A  11  LIES ON A SPECIAL POSITION.                          
REMARK 375 CA    CA A  14  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A  32  LIES ON A SPECIAL POSITION.                          
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O4'   DC A     2     O    HOH A    48              2.03            
REMARK 500   OP2   DA A     6     O    HOH A    37              2.04            
REMARK 500   O2    DT A     5     O    HOH A    49              2.10            
REMARK 500   OP1   DG A     9     O    HOH A    16              2.11            
REMARK 500   O    HOH A    35     O    HOH A    41              2.11            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A    37     O    HOH A    37     8555     1.34            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500     DC A   1   C3'    DC A   1   C2'    -0.053                       
REMARK 500     DC A   1   C2'    DC A   1   C1'     0.087                       
REMARK 500     DC A   1   C4     DC A   1   C5      0.053                       
REMARK 500     DC A   1   C5     DC A   1   C6      0.125                       
REMARK 500     DC A   2   P      DC A   2   OP2     0.115                       
REMARK 500     DC A   2   C3'    DC A   2   C2'    -0.048                       
REMARK 500     DC A   2   C4     DC A   2   N4      0.106                       
REMARK 500     DC A   2   N1     DC A   2   C2      0.083                       
REMARK 500     DC A   2   C5     DC A   2   C6     -0.051                       
REMARK 500     DG A   4   P      DG A   4   O5'     0.070                       
REMARK 500     DG A   4   O3'    DG A   4   C3'    -0.121                       
REMARK 500     DG A   4   C2     DG A   4   N3      0.059                       
REMARK 500     DG A   4   C4     DG A   4   C5     -0.083                       
REMARK 500     DG A   4   C8     DG A   4   N9     -0.095                       
REMARK 500     DG A   4   O3'    DT A   5   P      -0.081                       
REMARK 500     DT A   5   C2'    DT A   5   C1'     0.115                       
REMARK 500     DT A   5   O3'    DT A   5   C3'    -0.164                       
REMARK 500     DT A   5   C1'    DT A   5   N1      0.106                       
REMARK 500     DT A   5   C2     DT A   5   N3     -0.077                       
REMARK 500     DT A   5   C4     DT A   5   C5     -0.102                       
REMARK 500     DT A   5   C6     DT A   5   N1      0.051                       
REMARK 500     DT A   5   C2     DT A   5   O2      0.090                       
REMARK 500     DT A   5   C4     DT A   5   O4     -0.074                       
REMARK 500     DT A   5   C5     DT A   5   C7     -0.043                       
REMARK 500     DA A   6   P      DA A   6   OP1    -0.199                       
REMARK 500     DA A   6   P      DA A   6   OP2     0.135                       
REMARK 500     DA A   6   P      DA A   6   O5'    -0.061                       
REMARK 500     DA A   6   C2     DA A   6   N3     -0.080                       
REMARK 500     DA A   6   N3     DA A   6   C4     -0.038                       
REMARK 500     DA A   6   C5     DA A   6   C6      0.124                       
REMARK 500     DA A   6   C6     DA A   6   N6     -0.162                       
REMARK 500     DC A   7   P      DC A   7   O5'    -0.109                       
REMARK 500     DC A   7   C2     DC A   7   O2     -0.060                       
REMARK 500     DC A   7   C4     DC A   7   N4     -0.088                       
REMARK 500     DC A   7   N1     DC A   7   C6     -0.073                       
REMARK 500     DC A   7   O3'    DT A   8   P       0.132                       
REMARK 500     DT A   8   P      DT A   8   OP2     0.176                       
REMARK 500     DT A   8   C2'    DT A   8   C1'    -0.110                       
REMARK 500     DT A   8   O4'    DT A   8   C4'    -0.115                       
REMARK 500     DT A   8   O3'    DT A   8   C3'    -0.040                       
REMARK 500     DT A   8   C5     DT A   8   C6     -0.079                       
REMARK 500     DT A   8   C2     DT A   8   O2     -0.119                       
REMARK 500     DT A   8   C5     DT A   8   C7     -0.092                       
REMARK 500     DG A   9   P      DG A   9   OP1    -0.128                       
REMARK 500     DG A   9   P      DG A   9   OP2    -0.143                       
REMARK 500     DG A   9   C2     DG A   9   N3      0.091                       
REMARK 500     DG A   9   N3     DG A   9   C4     -0.068                       
REMARK 500     DG A   9   C6     DG A   9   N1     -0.056                       
REMARK 500     DG A   9   C2     DG A   9   N2      0.149                       
REMARK 500     DG A   9   C6     DG A   9   O6     -0.091                       
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      59 BOND DEVIATIONS.                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500     DC A   1   O4' -  C1' -  N1  ANGL. DEV. =   3.9 DEGREES          
REMARK 500     DC A   1   N1  -  C2  -  N3  ANGL. DEV. =   5.6 DEGREES          
REMARK 500     DC A   1   N3  -  C4  -  C5  ANGL. DEV. =  -3.2 DEGREES          
REMARK 500     DC A   1   N1  -  C2  -  O2  ANGL. DEV. =  -4.9 DEGREES          
REMARK 500     DC A   2   O3' -  P   -  OP2 ANGL. DEV. =  15.4 DEGREES          
REMARK 500     DC A   2   O5' -  P   -  OP2 ANGL. DEV. =  -8.3 DEGREES          
REMARK 500     DC A   2   C5' -  C4' -  C3' ANGL. DEV. = -11.8 DEGREES          
REMARK 500     DC A   2   C1' -  O4' -  C4' ANGL. DEV. =  -8.0 DEGREES          
REMARK 500     DC A   2   O4' -  C1' -  N1  ANGL. DEV. =   7.4 DEGREES          
REMARK 500     DG A   4   O3' -  P   -  OP2 ANGL. DEV. =  26.4 DEGREES          
REMARK 500     DG A   4   O3' -  P   -  OP1 ANGL. DEV. = -28.7 DEGREES          
REMARK 500     DG A   4   O4' -  C4' -  C3' ANGL. DEV. =   3.7 DEGREES          
REMARK 500     DG A   4   O4' -  C1' -  N9  ANGL. DEV. =   2.1 DEGREES          
REMARK 500     DG A   4   N1  -  C2  -  N3  ANGL. DEV. =  -3.9 DEGREES          
REMARK 500     DG A   4   C2  -  N3  -  C4  ANGL. DEV. =   3.3 DEGREES          
REMARK 500     DG A   4   C4  -  C5  -  N7  ANGL. DEV. =  -3.2 DEGREES          
REMARK 500     DG A   4   C5  -  N7  -  C8  ANGL. DEV. =   3.2 DEGREES          
REMARK 500     DT A   5   O3' -  P   -  OP2 ANGL. DEV. =   7.8 DEGREES          
REMARK 500     DT A   5   O4' -  C4' -  C3' ANGL. DEV. =   4.8 DEGREES          
REMARK 500     DT A   5   C2' -  C3' -  O3' ANGL. DEV. = -26.8 DEGREES          
REMARK 500     DT A   5   O4' -  C1' -  N1  ANGL. DEV. =   2.4 DEGREES          
REMARK 500     DT A   5   C2  -  N3  -  C4  ANGL. DEV. =   4.8 DEGREES          
REMARK 500     DA A   6   O3' -  P   -  OP1 ANGL. DEV. = -14.9 DEGREES          
REMARK 500     DA A   6   O5' -  P   -  OP1 ANGL. DEV. =  -7.4 DEGREES          
REMARK 500     DA A   6   O5' -  P   -  OP2 ANGL. DEV. =  11.5 DEGREES          
REMARK 500     DA A   6   C1' -  O4' -  C4' ANGL. DEV. =   7.4 DEGREES          
REMARK 500     DA A   6   C6  -  N1  -  C2  ANGL. DEV. =  -5.0 DEGREES          
REMARK 500     DA A   6   N1  -  C2  -  N3  ANGL. DEV. =   4.4 DEGREES          
REMARK 500     DA A   6   C2  -  N3  -  C4  ANGL. DEV. =   4.9 DEGREES          
REMARK 500     DA A   6   N3  -  C4  -  C5  ANGL. DEV. =  -4.5 DEGREES          
REMARK 500     DA A   6   N7  -  C8  -  N9  ANGL. DEV. =   3.1 DEGREES          
REMARK 500     DC A   7   O3' -  P   -  OP2 ANGL. DEV. =  13.6 DEGREES          
REMARK 500     DC A   7   O3' -  P   -  OP1 ANGL. DEV. = -26.9 DEGREES          
REMARK 500     DC A   7   O5' -  P   -  OP1 ANGL. DEV. =  18.6 DEGREES          
REMARK 500     DC A   7   O5' -  P   -  OP2 ANGL. DEV. =  -7.4 DEGREES          
REMARK 500     DC A   7   C5' -  C4' -  O4' ANGL. DEV. = -22.6 DEGREES          
REMARK 500     DC A   7   C2  -  N3  -  C4  ANGL. DEV. =  -5.6 DEGREES          
REMARK 500     DT A   8   C1' -  O4' -  C4' ANGL. DEV. =   5.2 DEGREES          
REMARK 500     DG A   9   O3' -  P   -  O5' ANGL. DEV. =  19.2 DEGREES          
REMARK 500     DG A   9   O3' -  P   -  OP2 ANGL. DEV. =  13.0 DEGREES          
REMARK 500     DG A   9   O3' -  P   -  OP1 ANGL. DEV. = -22.1 DEGREES          
REMARK 500     DG A   9   O5' -  P   -  OP2 ANGL. DEV. =  -8.6 DEGREES          
REMARK 500     DG A   9   O4' -  C4' -  C3' ANGL. DEV. =  -4.3 DEGREES          
REMARK 500     DG A   9   C5' -  C4' -  O4' ANGL. DEV. = -12.4 DEGREES          
REMARK 500     DG A   9   C3' -  C2' -  C1' ANGL. DEV. =  -8.2 DEGREES          
REMARK 500     DG A   9   O4' -  C1' -  C2' ANGL. DEV. =   5.5 DEGREES          
REMARK 500     DG A   9   C6  -  C5  -  N7  ANGL. DEV. =  -4.3 DEGREES          
REMARK 500     DG A  10   O3' -  P   -  O5' ANGL. DEV. =  14.0 DEGREES          
REMARK 500     DG A  10   O5' -  P   -  OP1 ANGL. DEV. = -14.1 DEGREES          
REMARK 500     DG A  10   C5' -  C4' -  O4' ANGL. DEV. =  12.0 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      55 ANGLE DEVIATIONS.                             
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500     DA A   6         0.09    SIDE CHAIN                              
REMARK 500     DC A   7         0.13    SIDE CHAIN                              
REMARK 500     DG A   9         0.08    SIDE CHAIN                              
REMARK 500     DG A  10         0.12    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NA A  15  NA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DT A   5   OP1                                                    
REMARK 620 2 HOH A  31   O   101.0                                              
REMARK 620 3 HOH A  36   O    57.7 145.2                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A  14  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1  DC A   7   OP2                                                    
REMARK 620 2  DC A   7   OP2 169.6                                              
REMARK 620 3 HOH A  23   O   105.6  72.0                                        
REMARK 620 4 HOH A  28   O    81.5 104.3 159.0                                  
REMARK 620 5 HOH A  28   O   102.5  84.2  52.3 107.2                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A  11  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A  20   O                                                      
REMARK 620 2 HOH A  20   O   107.8                                              
REMARK 620 3 HOH A  45   O   125.9 107.2                                        
REMARK 620 4 HOH A  45   O   107.6 124.7  83.8                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 11                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 14                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 15                   
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1P4Z   RELATED DB: PDB                                   
REMARK 900 UNMODIFIED ACT STRAND                                                
DBREF  1S1K A    1    10  PDB    1S1K     1S1K             1     10             
SEQRES   1 A   10   DC  DC 1AP  DG  DT  DA  DC  DT  DG  DG                      
MODRES 1S1K 1AP A    3   DA  2,6-DIAMINOPURINE NUCLEOTIDE                       
HET    1AP  A   3      22                                                       
HET     CA  A  11       1                                                       
HET     CA  A  14       1                                                       
HET     NA  A  15       1                                                       
HETNAM     1AP 2,6-DIAMINOPURINE NUCLEOTIDE                                     
HETNAM      CA CALCIUM ION                                                      
HETNAM      NA SODIUM ION                                                       
FORMUL   1  1AP    C10 H15 N6 O6 P                                              
FORMUL   2   CA    2(CA 2+)                                                     
FORMUL   4   NA    NA 1+                                                        
FORMUL   5  HOH   *40(H2 O)                                                     
LINK         O3'  DC A   2                 P   1AP A   3     1555   1555  1.63  
LINK         O3' 1AP A   3                 P    DG A   4     1555   1555  1.63  
LINK         O3' 1AP A   3                 OP1  DG A   4     1555   1555  1.94  
LINK         OP1  DT A   5                NA    NA A  15     1555   1555  2.50  
LINK         OP2  DC A   7                CA    CA A  14     1555   1555  2.54  
LINK         OP2  DC A   7                CA    CA A  14     8555   1555  2.45  
LINK        CA    CA A  11                 O   HOH A  20     1555   1555  3.15  
LINK        CA    CA A  11                 O   HOH A  20     1555   8555  3.17  
LINK        CA    CA A  11                 O   HOH A  45     1555   1555  2.83  
LINK        CA    CA A  11                 O   HOH A  45     1555   8555  2.84  
LINK        CA    CA A  14                 O   HOH A  23     1555   8555  3.36  
LINK        CA    CA A  14                 O   HOH A  28     1555   1555  2.38  
LINK        CA    CA A  14                 O   HOH A  28     1555   8555  2.34  
LINK        NA    NA A  15                 O   HOH A  31     1555   1555  1.80  
LINK        NA    NA A  15                 O   HOH A  36     1555   1555  2.73  
SITE     1 AC1  1 HOH A  45                                                     
SITE     1 AC2  2  DC A   7  HOH A  28                                          
SITE     1 AC3  3  DT A   5  HOH A  31  HOH A  36                               
CRYST1   32.957   32.957   88.556  90.00  90.00 120.00 P 61 2 2     12          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.030343  0.017518  0.000000        0.00000                         
SCALE2      0.000000  0.035037  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011292        0.00000